Home Drive line Pulley Idler Pulley Idler Cummins: 3979428 SKU: CNX-DRV-CUM-0185 Category: Drive line Brand: Cummins Add to Quote Description Cummins: 3979428 Related products Terex Alison H8610ARAllison: 179837 AllisonAllison: 23014975S Allison Transmission AT545 (reconditioned)Allison: 23040617 Terex Alison H8610ARAllison: 23015990